XML 50 R40.htm IDEA: XBRL DOCUMENT v3.7.0.1
Securities (Investments' Gross Unrealized Losses and Fair Value) (Details)
$ in Thousands
 6 Months Ended
Jun. 30, 2017
USD ($)
security
Dec. 31, 2016
USD ($)
Schedule of Investments [Line Items]    
Less than 12 Months, Fair Value $ 235,292 $ 251,615
Less than 12 Months, Unrealized Losses (4,286) (7,462)
12 Months or More, Fair Value 9,279 10,172
12 Months or More, Unrealized Losses (242) (314)
Total, Fair Value 244,571 261,787
Total, Unrealized Losses $ (4,528) (7,776)
Debt securities in unrealized loss position in the less than twelve months category | security 215  
Debt securities in unrealized loss position in the twelve months or more category | security 12  
Impairment of investments $ 0  
US Treasury Securities [Member]    
Schedule of Investments [Line Items]    
Less than 12 Months, Fair Value 1,994 1,997
Less than 12 Months, Unrealized Losses (9) (8)
12 Months or More, Fair Value 0  
12 Months or More, Unrealized Losses 0  
Total, Fair Value 1,994 1,997
Total, Unrealized Losses (9) (8)
States and political subdivisions [Member]    
Schedule of Investments [Line Items]    
Less than 12 Months, Fair Value 78,120 90,109
Less than 12 Months, Unrealized Losses (1,212) (3,362)
12 Months or More, Fair Value 208 205
12 Months or More, Unrealized Losses (3) (6)
Total, Fair Value 78,328 90,314
Total, Unrealized Losses (1,215) (3,368)
Corporate obligations [Member]    
Schedule of Investments [Line Items]    
Less than 12 Months, Fair Value 6,923 6,895
Less than 12 Months, Unrealized Losses (92) (180)
12 Months or More, Fair Value 0 0
12 Months or More, Unrealized Losses 0 0
Total, Fair Value 6,923 6,895
Total, Unrealized Losses (92) (180)
Mortgage-backed securities-government sponsored entities [Member]    
Schedule of Investments [Line Items]    
Less than 12 Months, Fair Value 148,255 152,614
Less than 12 Months, Unrealized Losses (2,973) (3,912)
12 Months or More, Fair Value 9,071 9,967
12 Months or More, Unrealized Losses (239) (308)
Total, Fair Value 157,326 162,581
Total, Unrealized Losses $ (3,212) $ (4,220)